Double Helix Season 1, Episode 4: What on Earth Did You Do to My Brother?

Cheng Yichen, Long Time No See

Yichen's world is shaken when his new boss turns out to be his old high school classmate, Lufeng, who won't let the past die.

40 min

Lufeng, We've Both Grown Up

Lufeng’s hospital confession turns their reunion into a relationship, finally ending Yichen’s frantic denial.

45 min

I'm Willing, Even for Stolen Happiness

Devastated by Lufeng's engagement news, a drunk Cheng YiChen mistakes Qin Lang for his lost love at a bar.

43 min

Actually, I Fell for You Long Ago

Cheng YiChen rushes to the hospital fearing for Lu Feng's life, leading to a reconciliation after clearing up the mix-up.

46 min

This Is the Best Memory the Four of Us Share

Lu Feng's romantic Valentine's Day plans with Cheng YiChen are crashed by colleagues, but Lu Feng uses the dinner to announce their love.

43 min

Both My Family and My Lover Are My Weaknesses

Cheng YiChen is caught in the middle after his mother collapses from anger upon catching him in an intimate moment with LuFeng.

41 min

Let's Break Up If You Want

Mrs. Cheng's condition worsens. In order to fulfill her wish, Cheng YiChen promises to marry ZhuoLan.

41 min

I Don't Dislike, I've Always Liked

Lu Feng traps Cheng Yichen at home and brings other men back to provoke him, leaving a heartbroken Yichen still in love.

43 min

We've Been Together Since We Were 18

After learning about Cheng Yichen's situation, Zhuolan rushes to Lu Feng's house to take Cheng Yichen away.

51 min

Episode 11

Episode 12