This is episode 29 of 35 of Guarding My Child's Peace. Play it below, then continue straight into the next episode — the whole season is free and needs no account.
The closing stretch of the season, where the arc pays off.
Wealthy Su Xiaoyun exposes her opportunist boyfriend. Pregnant, she raises her child alone. He harasses, tries to steal the child. Su Xiaoyun uses law to ruin him. Years later, her daughter's words "You're not my dad" confirm her happy new life.