Top agent Mr. Chan (Dayo Wong) suddenly finds himself removed from duties after his partner Wonder Child unintentionally offends a policewoman, Ms. Shek. But when a financial officer goes crazy due to drugs, Mr. Chan is called back in to solve the case, which he accepts even though this means partnering up with Ms. Shek. The two have some ups and downs while working together, eventually leading to romance.

Sit Ho Ching used to be an everyday white-collar worker who had no ambition and no plans for his future. Everything went smoothly until one day, when his boss set him up and his girlfriend cheated on him, he suddenly became a jobless single man, which made him rethink his past life of duties and routines. From then on, he decides to pursue wealth and fame by all means.

C'est La Vie, Mon Chéri or New Endless Love is a series starring Fiona Sit and Aloys Chen based on an adaptation of the 1994 Hong Kong movie, also known as C'est la vie, mon chéri. Both the movie and the series are directed by Derek Yee.