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At her old friend Fei Ke's memorial service, He Shan finds herself locked in with five strangers who all claim to know him under different identities.

As the first guest to share his story, Chen Shufa recounts the heartbreaking loss caused by his cunning son-in-law.

Successful businessperson Cheng Hao recalls how Fei Ke befriended him and moved into his apartment.

A mysterious envelope appears at the door. Su Qian reveals her online affair with the deceased.

A change in weather forces the group to board a yacht. Fei Ke's ex-girlfriend, Zhang Xuan, tells her side of the story.

After Zhang Xuan recounts falling out with her ex, the others grill He Shan about her relationship with him.

A surprise arrival causes a big commotion on the yacht. He Shan confronts the others about the consequences of their actions.

Fei Ke's tumultuous youth and his real identity gradually come to light in front of everyone.

With He Shan's help, Fei Ke manages to blend in at her university. But that charade quickly falls apart when a family crisis strikes.

He Shan shares the startling findings from her investigation. Another guest makes a dangerous bid out of desperation.