A parent should not date their child's ex.
Kelly is a lonely single mom, and her daughter, Nina has just broken up with her boyfriend, Todd.
Kelly wants to date someone.
Kelly starts dating a man about her age that she met on a dating site.
Kelly starts dating Todd right after Nina breaks up with him.
Kelly is able to console Nina over her breakup, and the two remain close.
Nina resents Kelly, and hides her dates from her mother in the future.