Seetha Kalyanam written update, April 20, 2018: Seetha finds the document

In the recent episode of Seetha Kalyanam, Rajeshwari is seen restless that Seetha is with Kalyan. Swathi notices this and tells Rajeshwari that Seetha will never obey her hereafter. The duo ends up in an argument and Rajeshwari warns Swathi that only she can cure Seetha's illness. Swathi replies that she has understood that Rajeshwari is the reason for Seetha's illness.Hearing this, Rajeshwari panics.
In the bedroom, Seetha insists Kalyan sing a lullaby for her and he sings the same.
Next morning, Rajeshwari plans to do something to prove Swathi that Seetha is still under her control. She pretends to have a fever and tells Seetha that Yamadharma has come to take her to heaven. Rajeshwari later requests Seetha to die for her so that she can live more. Seetha gets suspicious, still, she takes a knife and pretends to cut her veins.
Meanwhile, Swathi comes to the room and stops Seetha. Rajeashwari tells Swathi that it was her play to prove her influence on Seetha.
Swathi confronts Seetha for the act. Seetha replies that she was doing it to win Rajeshwari's trust.
Later, Seetha goes to Rajeshwari's room and finds the key to the secret locker. She opens the locker and gets the document.
The episode ends when Seetha makes a paper plane with the document and tends to fly it towards Kalyan.