his/her/their plans; your plans
Él no pudo hacer nada más que entregar sus planes contra su voluntad.
He could do nothing but surrender his plans against his will.
His plans are a riddle.
Aunque nadie sabe con exactitud cuáles son sus planes.
Although no one knows exactly what his plans are.
Guardaron silencio sobre sus planes.
They remained silent about their plans.
¿Tom te habló de sus planes para el próximo fin de semana?
Did Tom tell you about his plans for next weekend?
Tom no me diría sus planes.
Tom wouldn’t tell me his plans.
Está haciendo sus planes sin preguntar qué quiero yo.
He's making his plans without asking what I want.
— La ola (2008)
No tengo ni idea de cuáles son sus planes.
I have no idea what their plans are.