The best thing is to be free.

Lung, a hardworking property agent, is facing a serious situation in life. His girlfriend won't marry him unless he can buy her a 1000-sq ft. apartment in one year’s time; whilst Charlotte desperately needs a place to stay after her divorce. Along with Lung’s intern Very, a mainland rich, they become co-owners of the office girl Hak’s small flat that was left to Hak by her estranged mother.