L For Love, L For Lies Too

Bo(starred Stephy Tang) is an ordinary office lady, her mother(starred Elaine Jin) was a very successful and famous singer and her sister has just started to be an idol singer. Comparing herself with her mother and sister, Bo dwells a lot on herself being non outstanding and she feels upset to be ordinary.
Bo and her boyfriend Sun(Starred Willfred Lau), who works as a finance broker, are together for many years, she always wishes to start a family with him. However Sun has been fooling around for years and his flippant attitute has pushed the idea of marriage away.
Bo’s boss, Fanny(Michelle Lo) commited suicide after breaking up with her boyfriend. After knowing this tragedy, Bo shared this news to her best friend, Laura(Starred Louisa Mak) who is a typical conspiracy theorist. She immediately threw out a bunch of nonsense theories threatening Bo that people around her will soon have problems with their relationship, and in the end Bo will be next.
Bo found out that Sun has a misress one night. She was shock and distress about it, so she decided to have a drink at the bar, where she nearly fell into a trap by three frauds: Fay(Starred Louis Cheung) and her partner Hung(Starred Bob Lam) and Jac(Starred Jacqueline Ch’ng). In the end Bo got lucky and escaped. Fay noticed Bo was calm and unfraid when facing danger, she was impressed and decided to invite Bo to join her team.
Fay even told Bo that she knew a secret about her boyfriend.