'General Hospital' spoilers for Dec. 12 – 16: Port Charles faces a shocking bombshell, a cheating scandal and an unknown enemy

A highly emotional set of episodes awaits Port Charles residents on this week’s installment of “General Hospital” (“GH”). On Monday, Lulu (Emme Ryan) discovers a piece of news that will massively change her life, and spoilers hint that it has something to do with having another child.

As expected, Dante (Dominic Zamprogna) will equally be shocked, but will also be quite suspicious. Meanwhile, Jason (Billy Miller) finds out about Sonny’s (Maurice Benard) acts of indiscretion, and Franco (Roger Howarth) uses Kiki (Hayley Erin) to make Tom Baker (Don Harvey) pay. Other “General Hospital” cast members who will appear on the upcoming episodes include Nina (Michelle Stafford), Valentin (James Stuart), Finn (Michael Easton), Hayden (Rebecca Budig), Jordan (Vinessa Antoine), Julian (William DeVry), Laura (Genie Francis), Ava (Maura West), Alexis (Nancy Lee Grahn), Maxie (Kirsten Storms) and Carly (Laura Wright).

Spoiler alert! This article contains "General Hospital" spoilers.

TV Guide reports that Tuesday’s installment deals with Finn, who gets inspiration by something he spots at his house. Carly, on the other hand, is feeling the holiday spirit and decides to spread goodwill. Meanwhile, Tom Baker feels Franco’s wrath.

On Wednesday, Ava continues to be wary of Alexis and her true agenda. Elsewhere, Maxie is set to expose whatever Sam’s hiding from everyone else. Also, danger looms large over Port Charles as an unknown enemy appears.

Thursday’s run focuses on Laura, who provides Lulu some words of wisdom. Meanwhile, Dante can’t help but doubt Charlotte, and Julian becomes more curious after Jordan pays him a visit.

For its last salvo this week, “GH” features Franco, who plays a game with Tom Baker. Lulu, on the other hand, spends time with Charlotte. Elsewhere, Nina warns Valentin about Lulu’s real intentions, while Finn lays everything on the line to save Hayden.

Find out what happens next on the "General Hospital" series, which airs in the US Mondays to Fridays on ABC Daytime. Stay tuned for more "General Hospital" spoilers.