When the Phone Ringsepisodes 9 and 10 see Sa-eon and Hee-joo growing closer but still in danger.

Hee-jo was in the car with the real Sa-eon and managed to escape.

The episode ends with the two Sa-eons fighting.

Ellie and Joel imagery from The Last Of Us.

The series follows a weekly schedule, with two new episodes releasing every Friday and Saturday.

There are very few details available about what the season finale will be about.

Tommy (Kit Connor) peeking through the window in Warfare

Park Ji-hoon as Si-eun in Weak Hero

Sa-eon looking at Hee-joo phone in When the Phone Rings

Do-jae looking at the cliff in When the Phone Rings

Sa-eon looking for Hee-joo in When the Phone Rings after she falls off a cliff