Save Ringgo (S01E04)

Ro-um employs every tactic available to secure Myung-hoon's insurance payout of 400 million won. Meanwhile, Yo-han unexpectedly shows up at Moo-young's home, and Moo-young helps Ro-um remain concealed there. In another twist, Ringgo is abducted by a voice phishing gang, prompting Ro-um to devise a plan to rescue him.