When Lin Che was helping his eldest brother Lin Xiao beat up his former younger brother Lai Saner, he accidentally rescued An Ran, a female college student who reported Lai Saner for loan sharking because of her dead best friend, and asked An Ran to work at home on the pretext of repaying medical expenses. They are attracted to each other, and are finally willing to try to take that step for each other, making changes and concessions for their own liking for each other, as well as the emotional relationship between a couple in the love stage, the fighting stage, and two old couples whose marriages are in different states...
Purpose: To explore the relationship patterns between five different couples, including the ambiguous period, passionate love period, and struggle period of three young couples and the different marriage patterns of two old couples in middle age.