diff --git a/sql/core/src/main/scala/org/apache/spark/sql/execution/columnar/InMemoryRelation.scala b/sql/core/src/main/scala/org/apache/spark/sql/execution/columnar/InMemoryRelation.scala
index 7c8faec53a82..1a8fbaca53f5 100644
--- a/sql/core/src/main/scala/org/apache/spark/sql/execution/columnar/InMemoryRelation.scala
+++ b/sql/core/src/main/scala/org/apache/spark/sql/execution/columnar/InMemoryRelation.scala
@@ -29,7 +29,7 @@ import org.apache.spark.sql.catalyst.plans.logical
 import org.apache.spark.sql.catalyst.plans.logical.{HintInfo, LogicalPlan, Statistics}
 import org.apache.spark.sql.execution.SparkPlan
 import org.apache.spark.storage.StorageLevel
-import org.apache.spark.util.LongAccumulator
+import org.apache.spark.util.{LongAccumulator, Utils}
 
 
 /**
@@ -207,4 +207,7 @@ case class InMemoryRelation(
   }
 
   override protected def otherCopyArgs: Seq[AnyRef] = Seq(statsOfPlanToCache)
+
+  override def simpleString: String =
+    s"InMemoryRelation [${Utils.truncatedString(output, ", ")}], ${cacheBuilder.storageLevel}"
 }
diff --git a/sql/core/src/test/scala/org/apache/spark/sql/DatasetCacheSuite.scala b/sql/core/src/test/scala/org/apache/spark/sql/DatasetCacheSuite.scala
index 5c6a021d5b76..44177e36caa0 100644
--- a/sql/core/src/test/scala/org/apache/spark/sql/DatasetCacheSuite.scala
+++ b/sql/core/src/test/scala/org/apache/spark/sql/DatasetCacheSuite.scala
@@ -206,4 +206,15 @@ class DatasetCacheSuite extends QueryTest with SharedSQLContext with TimeLimits
     // first time use, load cache
     checkDataset(df5, Row(10))
   }
+
+  test("SPARK-24850 InMemoryRelation string representation does not include cached plan") {
+    val df = Seq(1).toDF("a").cache()
+    val outputStream = new java.io.ByteArrayOutputStream()
+    Console.withOut(outputStream) {
+      df.explain(false)
+    }
+    assert(outputStream.toString.replaceAll("#\\d+", "#x").contains(
+      "InMemoryRelation [a#x], StorageLevel(disk, memory, deserialized, 1 replicas)"
+    ))
+  }
 }