Under The Rainbow (日落下的彩虹): The Heartfelt Hong Kong Drama Celebrating Choi Hung Estate

Introduction

As one of Hong Kong’s most iconic public housing estates prepares for a new chapter, Viu captures the emotions of saying goodbye to a place filled with memories. Set in the beloved Choi Hung Estate, this touching Hong Kong drama tells seven interconnected stories about family, friendship, romance, forgiveness, and the meaning of home.

Released on 29 July 2026, the series consists of 15 episodes, with each episode running approximately 45 minutes. Available on Viu, the drama invites viewers into a community where every corner, every neighbour, and every relationship carries a story worth remembering.

For viewers looking for a good Asian show to watch or a must-watch Hong Kong drama, Under The Rainbow delivers heartfelt storytelling, memorable characters, and emotional moments that reflect real life.

Show Overview

Under The Rainbow revolves around the residents of Choi Hung Estate as they face the reality of redevelopment and relocation. As the community prepares for a future beyond the estate, seven stories unfold, each exploring different relationships and life challenges.

A couple struggles with a secret that has shaped their marriage for years. Siblings clash over family responsibilities and property decisions. Lifelong friends confront separation after decades together. Former lovers reconnect at a difficult point in their lives. A father and son attempt to heal years of resentment. Through these interconnected journeys, the drama paints a rich portrait of community life.

Rather than focusing on a single protagonist, the series highlights how ordinary people deal with change, loss, and hope. The result is a deeply human story that celebrates the bonds formed within a neighbourhood and the memories that remain long after people move on.

Genre & Themes

Genres

• Family Drama
• Slice of Life
• Romance
• Friendship
• Community Drama
• Human Interest

Key Narrative Themes

• Family reconciliation
• Friendship that spans generations
• First love and second chances
• Caregiving and aging
• Community spirit
• Life transitions
• Nostalgia
• Finding hope during change

What makes Under The Rainbow stand out is its focus on the emotional connection between people and places. The drama uses the redevelopment of Choi Hung Estate as a backdrop to explore universal experiences that resonate with viewers across generations.

Fans of emotional Hong Kong dramas and character-driven storytelling will appreciate the series’ warmth, realism, and relatable themes.

Meet The Cast

Poon Chan Leung as Tsui Wai Bun

Poon Chan Leung plays Tsui Wai Bun, a respected barber shop owner whose marriage faces its toughest challenge. A celebrated stage and screen actor, Poon is known for delivering emotionally powerful performances.

Natalie Tong Sze Wing as Ma Lai Kwan

Natalie Tong portrays Ma Lai Kwan, Bun’s wife. Her storyline explores love, regret, forgiveness, and the complexities of long-term relationships. Tong is one of Hong Kong’s most recognizable television actresses.

Stanley Yau Sze Chun as Lee Tze Pak/ Li Zi-pak

Stanley Yau stars as Lee Tze Pak, a man searching for closure from his past while navigating complicated family relationships and unexpected romance. His character becomes one of the emotional anchors of the series.

Day as Tsui Yu Fung (Windy)

Day portrays Windy, a young woman determined to understand the truth behind her parents’ marriage while also dealing with challenges in her own personal life and friendships.

Ha Yu as Lo Siu Kit

Veteran actor Ha Yu plays Lo Siu Kit, whose storyline examines aging, family ties, and the difficult choices that come with major life transitions.

Samuel Kwok Fung

Samuel Kwok Fung delivers another memorable performance as one of the community’s long-time residents, adding warmth and wisdom to the ensemble cast.

Catherine Chau Ka Yee as Alice Au

Catherine Chau plays Alice Au, a practical and strong-willed woman caught in a family conflict surrounding relocation and inheritance decisions.

Additional Cast 

The series also features Anna Ng Wun Yee, Kwok Fung, Johnny Hui, Leung Yip, Adam Pak Tin Nam, Dixon Wong, Shirley Chan Yan Yin, Yoyo Kot, Sica Ho, Dylan So, and many other familiar faces from Hong Kong television.

Why Viewers Love This Show

Under The Rainbow resonates because it tells stories that feel authentic and deeply personal. While the redevelopment of Choi Hung Estate provides the central backdrop, the true focus remains on the people who call it home.

The anthology format allows the drama to explore a variety of experiences. Viewers witness marriages at a crossroads, friendships tested by time, families confronting difficult truths, and individuals searching for new beginnings. Every storyline contributes to the larger portrait of a community preparing for change.

The cast brings sincerity and emotional depth to their performances, making every relationship feel believable. Whether it is a lifelong friendship, a complicated family bond, or a rekindled romance, the emotional moments feel earned and relatable.

The drama also balances sadness with hope. While many characters face endings, they discover new opportunities, deeper connections, and fresh perspectives along the way. This balance gives the series a warm and uplifting quality that remains with viewers long after the final episode.

Subtitles & Accessibility

Under The Rainbow is available with subtitle options that make the series accessible to a wide international audience.

Available Subtitle Languages

• English
• Traditional Chinese
• Additional subtitle availability may vary by region

These subtitle options allow viewers from different backgrounds to enjoy this heartfelt Hong Kong drama and connect with its universal themes.

Common Viewer Questions

What genre is Under The Rainbow?

Under The Rainbow is primarily a family drama that combines romance, friendship, slice-of-life storytelling, and community-centered narratives.

Who are the main cast members?

The drama stars Poon Chan Leung, Natalie Tong Sze Wing, Stanley Yau Sze Chun, Day, Ha Yu, Samuel Kwok Fung, Catherine Chau Ka Yee, and Anna Ng Wun Yee.

How many episodes are there and how long is each episode?

The series contains 15 episodes, with each episode running approximately 45 minutes.

What is Under The Rainbow about?

The drama follows residents of Choi Hung Estate as they navigate family struggles, friendships, romance, and personal growth while facing the estate’s redevelopment.

Does the series have English subtitles?

Yes. English subtitles are available, making the drama accessible to international audiences.

Is Under The Rainbow suitable for binge watching?

Yes. With 15 episodes and interconnected storylines, the series offers an engaging viewing experience that is easy to binge over a few days.

Where can I watch Under The Rainbow online?

You can watch the complete series on Viu.