Bay (Vanessa Marano) and Tank (Max Adler) will have an awkward encounter in tonight's episode of "Switched at Birth" season 4.

In the promo video for the episode titled "Borrowing Your Enemy's Arrow," Bay unexpectedly bumps into her old friend Tank, whom she accused of sexually assaulting her during the early part of the season inside the restaurant where he is currently working.

Tank seems to be avoiding Bay, but she manages to catch up outside the restaurant. She begs him to talk to her, but he coldly tells her, "Do you know what it's like to realize that for the rest of your life, someone searches your name and the word rape comes up next to it?"

Aside from Bay and Tank's painfully difficult encounter, Daphne (Katie Leclerc) and Mingo (Adam Hagenbuch) will also have to endure an awkward barbecue night dinner with their parents. Daphne's dad John (D.W. Moffett) was shocked when he discovers that Mingo's father is the same man responsible for the current financial crisis of the Kennishes.

Will this discovery have an effect on the current relationship that Daphne and Mingo enjoy?

The 16^th episode of "Switched at Birth" season 4 airs tonight, Sept. 28.

Meanwhile, Bay will face another challenge while Toby (Lucas Grabeel) and Lily (Rachel Shenton) contemplate making a very hard decision about their fate in "Switched at Birth" season 4 episode 17.

The official synopsis for the episode, titled "To the Victor Belong the Spoils," reads:

"With Mingo's help, Daphne holds a fundraiser to help support a sign-language school in Mexico. Bay is livid when a student starts using her art to sell crude t-shirts. Regina (Constance Marie) deals with the repercussions of digging through Eric's (Terrell Tilford) past. Meanwhile, Toby and Lily have to make difficult decisions about their future."

The episode will air on Oct. 5, Monday, on ABC Family.