'Chicago Fire' Season 4 Episode 22 Spoilers, News & Updates: Antonio Dawson Fights Matthew Casey Over Gabriela's Adoption Plan; Sneak Peek Released

"Chicago Fire" Season 4 continues to heat up as the latest season nears its end with episode 22. The unity between the Firehouse 51 team and the Chicago cops is in serious peril after Antonio Dawson (Jon Seda) learns that his sister, Gabriela Dawson (Monica Raymund), is planning to become the foster parent of baby Louie without the help of her longtime boyfriend, Matthew Casey (Jesse Spencer).

"Why the hell is she doing this on her own?" Antonio Dawson shouts at Matthew Casey in an exclusive "Chicago Fire" Season 4 sneak peek video shared by the Hollywood Reporter. "You were supposed to marry her. Now she's out there taking this thing on by herself." Antonio also called out Casey for stringing Gabriela for three years already.

In "Chicago Fire" Season 4 episode 21, Gabriela Dawson revealed her plan to Casey about becoming foster parents to Louis, a child they rescued from a building apartment. However, Casey could not commit to taking care of Louie with Gabriela due to his political duties and responsibilities.

Exclusive #ChicagoFire Video: Antonio Gives Casey a Big Ultimatum About Dawson https://t.co/t12vvzcpGf pic.twitter.com/bX4A5e36bS

— Hollywood Reporter (@THR) May 9, 2016

The Episode 22 of "Chicago Fire" Season 4 is entitled "Where The Collapse Started." The title pertains to both the ongoing rift between Antonio and Casey and a scary building collapse that puts over a dozen people in grave danger.

The heroic firefighters have to evacuate the trapped citizens within a minute before the building completely explodes and kills all of them. Many fans are also speculating that this recent "Chicago Fire" Season 4 mission will leave one of our heroes from Firehouse 51 dead.

"Chicago Fire" Season 4 Episode 22 is the penultimate episode of the latest season, according to Ecumenical News. The NBC series airs on Tuesdays at 10 p.m. Do not miss the events that will change the lives of Matthew Casey, Gabriela Dawson and the rest of the crew.