The emotionally-packed "The Walking Dead" season 4, episode 14 saw the deaths of Lizzie and Mika. Lizzie stabbed Mika to death, later, Carol shot Lizzie. Two major deaths in one episode. Anyway, the promo for "The Walking Dead" season 4, episode 15, "Us" teases that there will be at least three different groups.

The promo starts with a shot of Daryl Dixon (Norman Reedus), Joe (Jeff Kober) and others from the group on the tracks.

"When men like us follow rules, the world becomes ours," says Joe. This time the promo shows Rick Grimes (Andrew Lincoln), Glenn Rhee (Steven Yeun), Tara Chambler (Alanna Masterson) and Daryl.

"Ain't no rules no mores," says Daryl.

However, Joe has other plans. He wants Chance to make him learn a lesson. Next is Daryl is kicked by Joe's group.

Apart from these scenes, the promo shows mixed shots of Abraham Ford (Michael Cudlitz), Rosita Espinosa (Christian Serratos) and Eugene Porter (Josh McDermitt).

Abraham declares that tomorrow they go to the end of the line. He might be referring to the Terminus.

Sneak Peek for "The Walking Dead" Season 4, Episode 15, "Us"

This sneak peek shows Tara and Abraham talking and keeping a watch by the train tracks as others sleep.

"Go to sleep, I got this," Tara goes all alpha female over Abraham.

However, Abraham is not ready to leave Eugene's life in her hands.

Eugene's life is important for Abraham and Rosita. The doctor told Abraham that he knows the outbreak started. He wants Abraham to take him to Washington D.C.

In the sneak, Abraham mentions that he, Rosita and Eugene will soon leave Glenn and Tara. He also tells her to get some sleep as he has not seen her take a nap for a long time. Also, Abraham assumed that she loved Glenn.

Abraham tells Tara that Glenn is not what she thinks. However, Abraham caught her looking down Rosita's shirt.

Check out the sneak peek for episode 15, here.

Watch "The Walking Dead" season 4, episode 15 on Sunday, March 23, 2014 on AMC at 9 p.m. ET.

Credit: YouTube/The Walking Dead and More