'Blue Bloods' Season 9 Episode 19 Air Date, Spoilers: Frank Finally Meets Eddie’s Mother in ‘Common Enemies’

“Blue Bloods” season 9 episode 19 is finally coming and it has been titled “Common Enemies.” The story will be full of drama as another murder case has landed and it needed to be resolved fast. There could be some twists as well because Linda’s death appears to be connected to this new murder incident.

As per Rotten Tomatoes, the plot summary for “Blue Bloods” season 9 episode 19 reads: “After someone breaks into Luis Delgado's (Lou Diamond Phillips) home and kills his wife, Luis and Danny team up to take down the vicious murderer who may also be responsible for Linda's death.”

Additionally, “Frank finally meets Eddie's mother, Lena (Christine Ebersole), and Jamie and Erin are at odds after Jamie seeks her help charging a man who confessed to him while under the influence.”

“Blue Bloods” season 9 episode 19 will focus first on Luis who was initially thought to be responsible for Linda’s (Danny’s wife) death. Danny believes, Luis rigged his wife’s helicopter so it will crash and kill Linda but when the drug dealer’s wife was murdered, Danny began to think differently.

Based on his evaluation, those who killed Luis’ wife could be the real ones who murdered Linda too. Now, in a twist of fate, he set out to work with Luis to catch the culprits. Whether they will successfully find the murderers or not will be revealed in the “Blue Bloods” season 9 episode 19.

Elsewhere, Frank Reagan finally met his future daughter-in-law’s mother Lena. As can be seen in the promo video for “Blue Bloods” season 9 episode 19, their meeting seems pleasant but no one can deny one moment of awkwardness too.

Meanwhile, “Blue Bloods” season 9 episode 19 is set to air on April 12 at 10 p.m. on CBS Network. Preview photos are available now to get a glimpse of what is ahead in the drama. Watch the promo video below: