Threesome

Evie Fong Yee-yan (Mandy Wong) is a well-known barrister. In fact, she suffers from Dissociative Identity Disorder. Although Evie keeps this secret from everyone, Lee Tong-kai (Benjamin Yuen), Evie's childhood friend, finds out she suffers from DID by chance. In order to marry Theo Kei Hiu-yung (Jason Chan Chi-san), Evie accepts Kai as her apprentice and Kai must not reveal her secret to anyone.